$110.00$90.20

"Horrible gearbox. Mine didn't work right out of the box. I should have returned it, but I thought it would be a simple fix and I needed it ASAP. Come to find out it was a bad pour on the gearbox shell and it was rubbing on the gears. By opening it up I voided the warranty. I ended up buying a g&p gearbox and it worked great. I guess I will just use the parts inside the gearbox as spares. It just doesn't make sense to me to put good parts in a bad gearbox shell. The shell felt very light and flimsy compared to other gearbox shells I have. So I have no idea why it says it reinforced. I won't be buying anymore AIM/Matrix products in the future. Heck the G&P gearbox was even cheaper and it's much higher quality.

by Benjamin C. on 10/23/2013

"This gear box quickly shook the fire selector into only capable of using Safe and full-auto. The provided piston had it's gears striped after about 2500 rds.

by jesse g. on 10/24/2012

"the back wiring is very short it was a big problem other then that it works well.

For Experienced players only. This complete gearbox set is essentially a pre-assembled complete reinforced / tune up kit for your M4 / M16 series AEG. Manufactured by Matrix Tactical Systems, one of the most established, reliable and well known Airsoft manufacture in the world. This gearbox is an affordable alternative over the Systema gearbox with 8mm bearing sets. The
Mecha box shell is modeled after Systema's new gearbox design with thickened shell. With the more stabilized 8mm bearing set, this gearbox is more attractive than ever!

Complete Gearbox Disclaimer:
We have compiled a series of videos for AEG take down, assembly and gearbox for your reference. Recommended for experienced players only. A "gearbox" virtually never breaks, Evike.com offers spare parts for all components. All gearboxes are sold as complete set of parts and "AS IS". All the gearbox are directly from manufacture. Buyer responsible for fine tuning and proper installation. Evike.com is not responsible for shimming it perfectly or playing the game of airsoft for you.
For more information on complete gearboxes, please visit: Complete AEG Gearbox

Review:
A good gearbox on par with the KWA M4 gearbox. One advantage of this gearbox over the KWA is that all 6 bearings are standard size 8mm bearings you can buy. Making it much easier to work on. The monster gear set can power up to M170 spring combined with magnum motor. The inner wall of the gearbox is reinforced, just like the Systema new type
Mecha box shell, with all the inner walls thickened. Easy installation for most major brands of M4 / M16 series AEG. Great performance.
To install this gearbox on a MOD5 series, although it is a version 2, the nozzle, selector plate and trigger are not the same. Slight work and gearbox knowledge will be required.

This item is currently Out of Stock. Most out of stock items are restocked within 1-3 weeks. Some items may take longer. Please add this item to your wishlist to keep posted on its availability.

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